also gonna enjoy how you tackle the h55. I have one apart, all gears engage and teeth look good.Time to work out if this H55F has any obvious issues or not, I've had it sitting in my shed for a couple of years.. the seller had acquired it at some point and didnt know much about it.. could be toast, could be go
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Drivetech have a seal bearing kit for transfer and trans. The kit use to be $700 for the two but, now about $1k...kind of be handy to do the synchros whilst she is out too.
I feel a bit more confident tackling the gear box after pulling apart a steer box and putting it together. Toyota really is service friendly.
Shame you are not down the road, would love to be giving you hand. Same page.